[jdk11u-dev] RFR: 8265100: (fs) WindowsFileStore.hashCode() should read cached hash code once [v3]

[Goetz Lindenmaier]

> I backport this for parity with 11.0.17-oracle.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:

 - Merge branch 'master' into goetz_backport_8265100
 - Backport 3b576ed99d7664ea0fc851e66f9480a6f4638197
 - Fix instanceof syntax.
 - Backport cc54de76ca9e8d52cf58a240ca05ad30799b8471

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Changes: https://git.openjdk.org/jdk11u-dev/pull/1155/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1155&range=02
  Stats: 5 lines in 1 file changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1155.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1155/head:pull/1155

PR: https://git.openjdk.org/jdk11u-dev/pull/1155